1/* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22#ifndef FEBlend_h 23#define FEBlend_h 24 25#if ENABLE(FILTERS) 26#include "FilterEffect.h" 27 28#include "Filter.h" 29 30namespace WebCore { 31 32enum BlendModeType { 33 FEBLEND_MODE_UNKNOWN = 0, 34 FEBLEND_MODE_NORMAL = 1, 35 FEBLEND_MODE_MULTIPLY = 2, 36 FEBLEND_MODE_SCREEN = 3, 37 FEBLEND_MODE_DARKEN = 4, 38 FEBLEND_MODE_LIGHTEN = 5 39}; 40 41class FEBlend : public FilterEffect { 42public: 43 static PassRefPtr<FEBlend> create(Filter*, BlendModeType); 44 45 BlendModeType blendMode() const; 46 bool setBlendMode(BlendModeType); 47 48 void platformApplyGeneric(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray, 49 unsigned colorArrayLength); 50 void platformApplyNEON(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray, 51 unsigned colorArrayLength); 52 virtual void platformApplySoftware(); 53 virtual void dump(); 54 55 virtual TextStream& externalRepresentation(TextStream&, int indention) const; 56 57private: 58 FEBlend(Filter*, BlendModeType); 59 60 BlendModeType m_mode; 61}; 62 63} // namespace WebCore 64 65#endif // ENABLE(FILTERS) 66 67#endif // FEBlend_h 68